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Chemistry Co-ordinatios Compounds General Single Correct MCQ
Published on: August 11, 2026

Both geometrical and optical isomerism are shown by :

A
[Co(en)2Cl2]+
B
[Co(NH3)5Cl]2+
C
[Co(NH3)4Cl2]+
D
[Cr(OX)3]3–

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The correct answer is:
A

[Co(en)2Cl2]+ show geometrical isomerism and its only cis-form show optical isomerism.

[Co(NH3)5Cl]2+ exists only in one form.

It does not shows optical isomerism because of the presence of plane of symmetry and centre of symmetry.

[Cr(OX)3]3– shows optical isomerism but does not show geometrical isomerism because of the same type of ligands.

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